hawthorns

genus Crataegus

Member of rose family (family Rosaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Except for extremely rare examples that I don't expect to encounter, there are no other wild species of this genus in the bay area.

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midland hawthorn
Crataegus laevigata

• leaves are shallowly lobed with forward-pointing lobes
• flower has > 1 style
• fruit is somewhat oval in cross section and has > 1 seed

Toxicity of crataegus, hawthorn, may bush, thorn apple (Crataegus spp.):
0 – Non-toxic.

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1 observed taxon / 1 unobserved taxon / 1 key

Chris’s observations: 2 (1 is research grade)

Locations:

• San Bruno Mountain State & County Park
• Sibley Volcanic RP

Months:

• Aug.: 2

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora